Unnamed Occurrence (ARDF - SR160; on Bench Creek), Hope Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SR160; on Bench Creek) | - not defined - |
| Hope Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 39' 25'' North , 149° 13' 22'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Moose Pass | 219 (2014) | 20.5km |
| Primrose | 111 (2006) | 31.4km |
| Girdwood | 2,250 (2017) | 31.9km |
| Hope | 192 (2017) | 36.7km |
| Bear Creek | 1,956 (2017) | 55.6km |
Location: This occurrence is at an elevation of 1,150 feet, in the NE1/4 section 35, T. 7 N., R. 1 E., of the Seward Meridian. It is situated in a canyon on Bench Creek about one mile above its confluence with Groundhog Creek. This is location S-270 of Jansons and others (1984). The location is accurate to within a quarter of a mile.
Geology: The occurrence consists of a 2-foot-wide quartz vein that strikes N80W and dips 80N. The host rock is metasandstone of the Valdez Group of Late Cretaceous age (Nelson and others, 1985). The vein contains minor arsenopyrite and numerous metasandstone fragments.
Workings: The are no reported workings. The occurrence was discovered and sampled by the U.S. Bureau of Mines in 1982. A 24-inch-long chip sample assayed 0.14 ounce of gold per ton and 0.02 ounce of silver per ton (Jansons and others, 1984).
Age: Cretaceous or younger; the vein cuts rocks of the Valdez Group of Late Cretaceous age.
Commodities (Major) - Ag, Au
Development Status: None
Deposit Model: Low-sulfide Au-quartz vein (Cox and Singer, 1986; model 36a)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Detailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | SR160 |
|---|
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